Tire tread



FIG. 1 is a perspective view of a portion of a tire tread of our new design, the back view, the top view and the bottom view are all same images of the front view; and,

FIG. 2 is a front view thereof.

The broken line showings of the remainder of the tire are for illustrative purposes only and form no part of the claimed invention. 

CLAIM The ornamental design for a tire tread, as shown and described. 